on:
  push:
    branches:
      - main
  pull_request:
  merge_group:

env:
  RUSTFLAGS: -D warnings
  CARGO_TERM_COLOR: always

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

name: ci
jobs:
  lint:
    name: code lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Install toolchain
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt, clippy
      - uses: Swatinem/rust-cache@v2
        with:
          cache-on-failure: true

      - name: cargo fmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all --check

      - name: cargo clippy
        uses: actions-rs/clippy-check@v1
        with:
          args: --all --all-features
          token: ${{ secrets.GITHUB_TOKEN }}

  doc-lint:
    name: doc lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Install toolchain
        uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@v2
      - name: Check if documentation builds
        run: RUSTDOCFLAGS="-D warnings" cargo doc --all --no-deps --all-features --document-private-items

  lint-success:
    if: always()
    name: lint success
    runs-on: ubuntu-latest
    needs: [lint, doc-lint]
    steps:
      - name: Decide whether the needed jobs succeeded or failed
        uses: re-actors/alls-green@release/v1
        with:
          jobs: ${{ toJSON(needs) }}